[PATCH] D139163: Utils: Add utility pass to lower ifuncs

[Matt Arsenault via Phabricator via llvm-commits]

arsenm added a comment.

In D139163#4014143 <https://reviews.llvm.org/D139163#4014143>, @MaskRay wrote:

> Which language doesn't allow function pointers but supports the function pointer array made possibly by this patch?

OpenCL forbids function pointers. If you use target_clones in clang, there's no function pointer in the source and the compiler takes care of everything. I want to patch up subtarget specific implementations of builtin functions. It's not for end users


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https://reviews.llvm.org/D139163